Cobalt
#01337E
BlueColor Codes
All color formats for development
HEX
#01337ERGB
rgb(1, 51, 126)HSL
hsl(216, 98%, 25%)OKLCH
oklch(0.345 0.137 259.7)CMYK
cmyk(99%, 60%, 0%, 51%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#012E72
2#012965
3#012458
4#011F4C
5#011A3F
6#011532
7#000F26
8#000A19
9#00050D
Tints
Lighter variations
1#0243A4
2#0252CA
3#0261F0
4#1C76FD
5#428DFD
6#68A4FD
7#8DBAFE
8#B3D1FE
9#D9E8FF
Tones
Muted variations
1#083578
2#0E3672
3#14376B
4#1A3865
5#213A5F
6#273B59
7#2D3C52
8#333D4C
9#3A3F46
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F6 #F0F6FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DCEA #DCEAFF | Light backgroundsTable row hoverSkeleton loading |
| 200 | BDD7 #BDD7FE | Secondary backgroundsInput backgroundsDividers |
| 300 | 8BB9 #8BB9FE | BordersInactive statesPlaceholder text |
| 400 | 4E94 #4E94FD | Disabled statesSecondary iconsMuted text |
| 500 | 1C76 #1C76FD | Primary brand colorCTAsActive elementsLinks |
| 600 | 025A #025ADE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0248 #0248B1 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0133 #01337E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0121 #012151 | Primary textHigh emphasis contentDark headings |
| 950 | 0115 #011532 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F6FF;
--cobalt-100: #DCEAFF;
--cobalt-200: #BDD7FE;
--cobalt-300: #8BB9FE;
--cobalt-400: #4E94FD;
--cobalt-500: #1C76FD;
--cobalt-600: #025ADE;
--cobalt-700: #0248B1;
--cobalt-800: #01337E;
--cobalt-900: #012151;
--cobalt-950: #011532;
}